Home / 93,389.76-128,872.62-53,113.32

Finding the Fourth Proportional to 93,389.76, 128,872.62 and 53,113.32

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Solution

The fourth proportional to 93,389.76, 128,872.62 and 53,113.32 is: 73,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,389.76 : 128,872.62 = 53,113.32 : x
  2. Step 2: Convert to fraction form
    93,389.76/128,872.62 = 53,113.32/x
  3. Step 3: Cross multiply
    93,389.76x = 128,872.62 × 53,113.32
  4. Step 4: Simplify right side
    93,389.76x = 6,844,852,705.30
  5. Step 5: Solve for x
    x = 6,844,852,705.30/93,389.76
  6. Step 6: Final answer
    x = 73,293.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.